<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>wdqfqefq)</title>
<style>
    h2.pos_left
{
    border: 1px solid red;
    position:relative;
    left:-20px;
}
h2.pos_right
{
    position:relative;
    left:20px;
}
h2
{
	position:absolute;
	left:100px;
	top:150px;
}
ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    width: 200px;
    background-color: #f1f1f1;
    border: 1px solid #555;
}

li a {
    display: block;
    color: #000;
    padding: 8px 16px;
    text-decoration: none;
}

li {
    text-align: center;
    border-bottom: 1px solid #555;
}

li:last-child {
    border-bottom: none;
}

li a.active {
    background-color: #4CAF50;
    color: white;
}

li a:hover:not(.active) {
    background-color: #555;
    color: white;
}
</style>
</head>
<body>
    <h2 class="pos_left">111111``</h2>
<h2 class="pos_right"></h2>
<ul>
  <li><a class="active" href="#home">主页</a></li>
  <li><a href="#news">新闻</a></li>
  <li><a href="#contact">联系</a></li>
  <li><a href="#about">关于</a></li>
</ul>

</body>
</html>